Numbers 21: 4-9
Those who had bitten by serpents were healed when they looked on the bronze serpent raised up by Moses. 

Philippians 2: 6-11
Christ who emptied himself of his glory and was humbled in death on a cross was then raised on high by God. 

John 3: 13-17
Jesus tells us that the Son of man must be lifted up so that everyone who believes may have eternal life in him.